Home / 240,525.54-331,960.48-138,531.15

Finding the Fourth Proportional to 240,525.54, 331,960.48 and 138,531.15

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Solution

The fourth proportional to 240,525.54, 331,960.48 and 138,531.15 is: 191,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,525.54 : 331,960.48 = 138,531.15 : x
  2. Step 2: Convert to fraction form
    240,525.54/331,960.48 = 138,531.15/x
  3. Step 3: Cross multiply
    240,525.54x = 331,960.48 × 138,531.15
  4. Step 4: Simplify right side
    240,525.54x = 45,986,866,702.62
  5. Step 5: Solve for x
    x = 45,986,866,702.62/240,525.54
  6. Step 6: Final answer
    x = 191,193.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.